package com.backpackerxl.blog.web.admin;

import com.backpackerxl.blog.model.Tag;
import com.backpackerxl.blog.service.TagService;
import com.backpackerxl.blog.vomodel.BlogQuery;
import com.backpackerxl.blog.vomodel.KeyWordsQuery;
import lombok.SneakyThrows;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

/**
 * Author by：Backpackersxl
 * Date: 2021/5/6/006
 * Time: 0:00
 **/
@Controller
@RequestMapping("/admin")
public class TagController {

    private final TagService tagService;

    public TagController(TagService tagService) {
        this.tagService = tagService;
    }

    @GetMapping("/tags")
    public String tags(@PageableDefault(size = 5, sort = {"id"}, direction = Sort.Direction.DESC)
                       Pageable pageable,
                       Model model
    ) {
        model.addAttribute("page", tagService.listTag(pageable));
        return "admin/tag";
    }

    @PostMapping("/tags/search")
    public String search(
            @PageableDefault(size = 5, sort = {"id"}, direction = Sort.Direction.DESC) Pageable pageable,
            KeyWordsQuery key, Model model) {
        model.addAttribute("page", tagService.listTags(pageable, key));
        return "admin/tag :: tagList";
    }

    @GetMapping("/tag/input")
    public String input() {
        return "admin/tag-input";
    }

    @GetMapping("tags/{id}/input")
    public String editInput(@PathVariable Long id, Model model) {
        model.addAttribute("tag", tagService.getTag(id));
        return "admin/tags-input";
    }

    @PostMapping("/tags")
    public String post(Tag tag, BindingResult result, RedirectAttributes attributes) {
        Tag tag1 = tagService.getTagByName(tag.getName());
        if (tag1 != null) {
            result.rejectValue("name", "nameError", "不能重复提交相同的分类");
            attributes.addFlashAttribute("msg", "不能重复提交相同的分类");
        }
        if (result.hasErrors()) {
            return "admin/tag-input";
        }
        Tag t = tagService.saveTag(tag);
        if (t == null) {
            attributes.addFlashAttribute("message", "新增失败");
        } else {
            attributes.addFlashAttribute("message", "新增成功");
        }
        return "redirect:/admin/tags";
    }

    @SneakyThrows
    @PostMapping("/tags/{id}")
    public String editPost(Tag tag, BindingResult result, @PathVariable Long id, RedirectAttributes attributes) {
        Tag tag1 = tagService.getTagByName(tag.getName());
        if (tag1 != null) {
            result.rejectValue("name", "nameError", "不能重复提交相同的标签");
            attributes.addFlashAttribute("msg", "不能重复提交相同的标签");
        }
        if (result.hasErrors()) {
            return "admin/tag-input";
        }
        Tag t = tagService.updateTag(id, tag);
        if (t == null) {
            attributes.addFlashAttribute("message", "更新失败");
        } else {
            attributes.addFlashAttribute("message", "更新成功");
        }
        return "redirect:/admin/tags";
    }

    @GetMapping("/tags/{id}/delete")
    public String deleteTag(@PathVariable Long id, RedirectAttributes attributes) {
        tagService.deleteTag(id);
        attributes.addFlashAttribute("message", "删除成功");
        return "redirect:/admin/tags";
    }
}
